Inventor

PESSIER RUDOLF C O

US35 patents

⚠️ This page may combine multiple inventors who share the name “PESSIER RUDOLF C O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PESSIER RUDOLF C O

BAKER HUGHES INC

Steerable rotary drag bit with longitudinally variable gage aggressiveness

Earth-boring bit with improved cutting structure

Fixed cutter bit with shear cutting gage

Earth-boring bit with an advantageous cutting structure

Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped

Cutter with complex superabrasive geometry and drill bits so equipped

Fixed cutter bit with chisel or vertical cutting elements

Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability

Superabrasive-tipped inserts for earth-boring drill bits

Rolling cone bit with shear cutting gage

Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability

Earth-boring bit with super-hard cutting elements

Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability

Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter

Roller cone bit with positive and negative offset and smooth running configuration

Earth-boring bit with improved cutting structure

Earth-boring bit with improved cutting structure

Earth-boring bit with an advantageous insert cutting structure

Drill bit having a fluid course with chip breaker

Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics

Earth-boring bit having shear-cutting heel elements

Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter

Rolling cutter bit with improved rotational stabilization

Earth-boring bit having an improved hard-faced tooth structure

Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life

Rotary drill bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics

Anti-balling drill bit

Rotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capability

Earth-burning bit having an improved hard-faced tooth structure

Rotary drill bits employing tandem gage pad arrangement

Two cone bit with non-opposite cones

HUGHES TOOL CO

Anti-balling earth boring bit

Two cone bit with non-opposite cones

Rock bit with improved extended nozzle

Drill bit with dispersed cutter inserts